Costs $[$L$06-1,$ L$06-4]$

Miller Company's contribution format income statement for the most recent month is shown below:

Required:

$($Consider each case independently$)$:

What is the revised net operating income if unit sales increase by $19\%?$

What is the revised net operating income if the selling price decreases by $$1\mathrm{.}30$ per unit and the number of units sold increases by

$20\%?$

What is the revised net operating income if the selling price increases by $$1\mathrm{.}30$ per unit, fixed expenses increase by $$8,000,$ and the

number of units sold secreases by $7\%?$

What is the revised net operating income if the selling price per unit increases by $10\%,$ variable expenses increase by $20$ cents per

unit, and the number of units sold decreases by $10\%?$